格林威尔EPON 排故方法指导

wochina

<p class="MsoNormal">

</p><p class="MsoNormal"><span style="font-family: 宋体;">问题</span><span lang="EN-US">1</span><span style="font-family: 宋体;">：</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">离线或者频繁地发生离线－注册－离线现象</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="text-indent: 31.5pt;"><span style="font-family: 宋体;">到</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">处使用光功率计测试光纤出来的光功率，正常值为</span><span>
                </span><span style="font-family: 宋体;">－</span><span lang="EN-US">(12-13</span><span style="font-family: 宋体;">）</span><span lang="EN-US">dBm</span><span style="font-family: 宋体;">。</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">可以注册上的最小光功率为－</span><span lang="EN-US">25dBm</span><span style="font-family: 宋体;">。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal"><span lang="EN-US"><op> </op></span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">问题</span><span lang="EN-US">2</span><span style="font-family: 宋体;">：用户抱怨上网老是掉线。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="text-indent: 27pt;"><span style="font-family: 宋体;">找到用户接入所用的</span><span lang="EN-US">ONU,<span>  </span></span><span style="font-family: 宋体;">如果知道</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">的</span><span lang="EN-US">MAC</span><span style="font-family: 宋体;">，可以在</span><span lang="EN-US">OLT</span><span style="font-family: 宋体;">上使用</span><span lang="EN-US">show
onu information<span>  </span>mac &lt;H.H.H&gt;</span><span style="font-family: 宋体;">来查看该</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">的</span><span lang="EN-US">name</span><span style="font-family: 宋体;">属性。</span><span>
                </span><span style="font-family: 宋体;">然后使用命令</span><span lang="EN-US">show alarm log </span><span style="font-family: 宋体;">来查看相应的时段内用户所连的端口是否在不停报</span><span lang="EN-US">link up, link down</span><span style="font-family: 宋体;">告警。如果是，则说明用户所用的网线连接不好，查看网线水晶头是否做得不好，网线是否插牢。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="text-indent: 21.75pt;"><span style="font-family: 宋体;">如果知道用户所连得</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">的编号，如</span><st1chsdate wst="on" year="2006" month="1" day="1" islunardate="False" isrocdate="False"><span lang="EN-US">6/1/1</span></st1chsdate><span lang="EN-US">, </span><span style="font-family: 宋体;">则可以使用命令</span><span lang="EN-US">onu 6/1/1</span><span style="font-family: 宋体;">进入</span><span lang="EN-US">onu</span><span style="font-family: 宋体;">节点</span><span>
                </span><span style="font-family: 宋体;">，然后使用命令</span><span lang="EN-US">show device information</span><span style="font-family: 宋体;">查看</span><span lang="EN-US">onu</span><span style="font-family: 宋体;">的</span><span lang="EN-US">name</span><span style="font-family: 宋体;">等信息。然后和上面一样，使用命令</span><span lang="EN-US">show alarm log</span><span style="font-family: 宋体;">来查看告警信息。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal"><span lang="EN-US"><op> </op></span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">问题</span><span lang="EN-US">3</span><span style="font-family: 宋体;">：用户抱怨上网速度慢。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 45pt; text-indent: -18pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>1）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">  </span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">在</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">节点下，使用命令</span><span lang="EN-US">port mode<span>  </span>&lt;portid&gt; </span><span style="font-family: 宋体;">来查看端口模式的设置</span><span style="font-family: 宋体;">，</span><span style="font-family: 宋体;">正常情况下是自协商模式。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 45pt; text-indent: -18pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>2）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">  </span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">使用命令</span><span lang="EN-US">port<span>  </span>mode_show<span> 
</span>&lt;portid&gt;</span><span style="font-family: 宋体;">来查看端口模式协商结果</span><span style="font-family: 宋体;">，</span><span style="font-family: 宋体;">正常情况下应该是</span><st1chmetcnv wst="on" unitname="m" sourcevalue="100" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US">100M</span></st1chmetcnv><span lang="EN-US">/Full, </span><span style="font-family: 宋体;">如果不是，则查看用户处的网卡模式设置是否正确，用户处的网卡模式也应该是自协商模式的。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 45pt; text-indent: -18pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>3）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">  </span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">使用命令</span><span lang="EN-US">port ingress_rate &lt;portid&gt; </span><span style="font-family: 宋体;">和</span><span lang="EN-US">port egress_rate &lt;portid&gt; </span><span style="font-family: 宋体;">来查看该用户端口的速率限制是否设置得太小。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 45pt; text-indent: -18pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>4）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">  </span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">有些用户对速率快慢的概念理解不清楚，</span><span>
                </span><span style="font-family: 宋体;">目前我们对每个</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">的速率设置为上下行</span><span lang="EN-US">15Mbps</span><span style="font-family: 宋体;">，</span><span>
                </span><span style="font-family: 宋体;">用户端口上行</span><span lang="EN-US">10Mbps</span><span style="font-family: 宋体;">。</span><span lang="EN-US"><span>  </span></span><span style="font-family: 宋体;">在用户处测试下载速率一般可以达到</span><span lang="EN-US">1.2MB/s, </span><span style="font-family: 宋体;">但是这个是按照字节来算的，</span><span>
                </span><span style="font-family: 宋体;">换算成比特速率为</span><span lang="EN-US">1.2 x 8=9.6Mbps,</span><span style="font-family: 宋体;">也就是用户下行可以达到</span><span lang="EN-US">10Mbps</span><span style="font-family: 宋体;">的速率，已经很快了。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal"><span lang="EN-US"><op> </op></span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">问题</span><span lang="EN-US">4.<span> 
</span></span><span style="font-family: 宋体;">用户拨不上号</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 45pt; text-indent: -18pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>1）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">  </span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">使用</span><span lang="EN-US">onu</span><span style="font-family: 宋体;">节点下的命令</span><span lang="EN-US"> port<span>  </span>mode_show<span>  </span>&lt;portid&gt;</span><span style="font-family: 宋体;">来查看端口是否已经正常</span><span lang="EN-US">up</span><span style="font-family: 宋体;">起来了。如果正常</span><span lang="EN-US">up, </span><span style="font-family: 宋体;">显示的结果应该是</span><st1chmetcnv wst="on" unitname="m" sourcevalue="100" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US">100M</span></st1chmetcnv><span lang="EN-US">/Full</span><span style="font-family: 宋体;">。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 45pt; text-indent: -18pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>2）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">  </span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">查看</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">上的</span><span lang="EN-US">vlan</span><span style="font-family: 宋体;">配置是否正确。</span><span>
                </span><span style="font-family: 宋体;">端口应该以</span><span lang="EN-US">untag</span><span style="font-family: 宋体;">方式加入到</span><span lang="EN-US">vlan 2</span><span style="font-family: 宋体;">中，并且端口的</span><span lang="EN-US">pvid</span><span style="font-family: 宋体;">值设置为</span><span lang="EN-US">2 (</span><span style="font-family: 宋体;">使用命令</span><span lang="EN-US">vlan
pvid &lt;portid&gt;)</span><span style="font-family: 宋体;">。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 45pt; text-indent: -18pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>3）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">  </span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">查看</span><span lang="EN-US">OLT</span><span style="font-family: 宋体;">上的</span><span lang="EN-US">vlan</span><span style="font-family: 宋体;">设置是否正确。</span><span>
                </span><span style="font-family: 宋体;">上联端口</span><span lang="EN-US">1/1</span><span style="font-family: 宋体;">和</span><span lang="EN-US">ON</span><span style="font-family: 宋体;">端口都应该以</span><span lang="EN-US">tag</span><span style="font-family: 宋体;">方式加入到</span><span lang="EN-US">vlan
2 (vlan </span><span style="font-family: 宋体;">名称为</span><span lang="EN-US">kuandai)</span><span style="font-family: 宋体;">中。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal"><span lang="EN-US"><op> </op></span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">问题</span><span lang="EN-US">5.<span> 
</span>IAD</span><span style="font-family: 宋体;">业务不通</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 45pt; text-indent: -18pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>1）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">  </span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">在</span><span lang="EN-US">OLT</span><span style="font-family: 宋体;">上查看</span><span lang="EN-US">vlan</span><span style="font-family: 宋体;">设置是否正确。上联端口</span><span lang="EN-US">1/1</span><span style="font-family: 宋体;">和</span><span lang="EN-US">ON</span><span style="font-family: 宋体;">端口都应该以</span><span lang="EN-US">tag</span><span style="font-family: 宋体;">方式加入到</span><span lang="EN-US">vlan
3 (vlan </span><span style="font-family: 宋体;">名称为</span><span lang="EN-US">NGN)</span><span style="font-family: 宋体;">中。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 45pt; text-indent: -18pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>2）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">  </span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">在</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">节点下，查看</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">上的</span><span lang="EN-US">vlan </span><span style="font-family: 宋体;">配置是否正确（使用命令</span><span lang="EN-US">vlan dot1q_show</span><span style="font-family: 宋体;">）。端口</span><span lang="EN-US">4</span><span style="font-family: 宋体;">应该以</span><span lang="EN-US">untag</span><span style="font-family: 宋体;">方式加入到</span><span lang="EN-US">vlan
3</span><span style="font-family: 宋体;">中，并且</span><span lang="EN-US">pvid</span><span style="font-family: 宋体;">值设置为</span><span lang="EN-US">3</span><span style="font-family: 宋体;">。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 45pt; text-indent: -18pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>3）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">  </span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">用一台</span><span lang="EN-US">C,</span><span style="font-family: 宋体;">接到</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">的端口</span><span lang="EN-US">4</span><span style="font-family: 宋体;">上，配置为</span><span lang="EN-US">IAD</span><span style="font-family: 宋体;">设备的</span><span lang="EN-US">IP</span><span style="font-family: 宋体;">地址。</span><span>
                </span><span style="font-family: 宋体;">首先从</span><span lang="EN-US">C ping OLT</span><span style="font-family: 宋体;">的</span><span lang="EN-US">IP</span><span style="font-family: 宋体;">地址</span><span lang="EN-US">58.241.50.66,</span><span style="font-family: 宋体;">如果可以通，说明从</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">到</span><span lang="EN-US">OLT</span><span style="font-family: 宋体;">的通路没有问题。然后从一个公网</span><span lang="EN-US">IP</span><span style="font-family: 宋体;">地址</span><span lang="EN-US">ping OLT</span><span style="font-family: 宋体;">的地址。如果能通，说明</span><span lang="EN-US">OTL</span><span style="font-family: 宋体;">到公网的通路也没有问题</span><span>
                </span><span style="font-family: 宋体;">。</span><span>
                </span><span style="font-family: 宋体;">如果从公网不能</span><span lang="EN-US">ping</span><span style="font-family: 宋体;">通</span><span lang="EN-US">OLT</span><span style="font-family: 宋体;">，就查看一下</span><span lang="EN-US">OLT</span><span style="font-family: 宋体;">上是否正确配置了网关</span><span lang="EN-US">, </span><span style="font-family: 宋体;">相关命令为</span><span lang="EN-US">ip route <st1chsdate wst="on" year="1899" month="12" day="30" islunardate="False" isrocdate="False">0.0.0</st1chsdate>.0/0<span>  </span>58.241.50.65</span><span style="font-family: 宋体;">。</span><span>
                </span><span style="font-family: 宋体;">如果网关配置正确，仍不能</span><span lang="EN-US">ping</span><span style="font-family: 宋体;">通。则从公网地址</span><span lang="EN-US">ping</span><span style="font-family: 宋体;">一下网关</span><span lang="EN-US">58.241.50.65</span><span style="font-family: 宋体;">，</span><span>
                </span><span style="font-family: 宋体;">如果也不能</span><span lang="EN-US">ping</span><span style="font-family: 宋体;">通</span><span>
                </span><span style="font-family: 宋体;">，说明</span><span lang="EN-US">OLT</span><span style="font-family: 宋体;">上游的路由设置有问题。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal"><span lang="EN-US"><op> </op></span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">问题</span><span lang="EN-US">6. </span><span style="font-family: 宋体;">如何查看</span><span lang="EN-US">OLT</span><span style="font-family: 宋体;">和</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">上的收发包统计</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 60.75pt; text-indent: -18pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>1）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">  </span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">在</span><span lang="EN-US">OLT</span><span style="font-family: 宋体;">上，使用命令</span><span lang="EN-US">interface Ethernet<span>  </span>1/1</span><span style="font-family: 宋体;">命令进入端口节点，再使用命令</span><span lang="EN-US">show statistics</span><span style="font-family: 宋体;">命令来查看端口的收发包统计，使用命令</span><span lang="EN-US">clear statistics</span><span style="font-family: 宋体;">来清除端口的收发包统计。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 60.75pt; text-indent: -18pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>2）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">  </span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">在</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">节点下（使用命令</span><span lang="EN-US">onu <st1chsdate wst="on" year="2005" month="1" day="1" islunardate="False" isrocdate="False">5/1/1</st1chsdate></span><span style="font-family: 宋体;">来进入</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">节点），使用命令</span><span lang="EN-US">stat port_show &lt;portid&gt;</span><span style="font-family: 宋体;">来查看端口收发包统计，使用命令</span><span lang="EN-US">stat port_flush</span><span style="font-family: 宋体;">来清除端口收发包统计。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal"><span lang="EN-US"><op> </op></span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">问题</span><span lang="EN-US">7.<span> 
</span></span><span style="font-family: 宋体;">如何查看</span><span lang="EN-US">OLT</span><span style="font-family: 宋体;">和</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">上的</span><span lang="EN-US">MAC</span><span style="font-family: 宋体;">地址表。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 63.75pt; text-indent: -21pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>1）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">   
</span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">整个系统结构如下：</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="text-indent: 63pt;"><span style="font-size: 9pt; font-family: 宋体;">（</span><span lang="EN-US" style="font-size: 9pt;">OLT</span><span style="font-size: 9pt; font-family: 宋体;">上交换芯片－</span><span lang="EN-US" style="font-size: 9pt;">&gt;OLT</span><span style="font-size: 9pt; font-family: 宋体;">上</span><span lang="EN-US" style="font-size: 9pt;">ON</span><span style="font-size: 9pt; font-family: 宋体;">芯片）－</span><span lang="EN-US" style="font-size: 9pt;">&gt;(ONU</span><span style="font-size: 9pt; font-family: 宋体;">上</span><span lang="EN-US" style="font-size: 9pt;">PON</span><span style="font-size: 9pt; font-family: 宋体;">芯片，</span><span lang="EN-US" style="font-size: 9pt;">ONU</span><span style="font-size: 9pt; font-family: 宋体;">上交换芯片</span><span lang="EN-US" style="font-size: 9pt;">)<op></op></span></p>

<p class="MsoNormal" style="margin-left: 63.75pt; text-indent: -21pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>2）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">   
</span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">在</span><span lang="EN-US">OLT</span><span style="font-family: 宋体;">上查看交换芯片上的</span><span lang="EN-US">MAC</span><span style="font-family: 宋体;">地址表的命令是</span><span lang="EN-US">show forward-entry<op></op></span></p>

<p class="MsoNormal" style="margin-left: 63.75pt; text-indent: -21pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>3）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">   
</span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">在</span><span lang="EN-US">OLT</span><span style="font-family: 宋体;">上查看</span><span lang="EN-US">PON</span><span style="font-family: 宋体;">芯片上的</span><span lang="EN-US">MAC</span><span style="font-family: 宋体;">地址表的方式为，先用命令</span><span lang="EN-US">pon 5/1</span><span style="font-family: 宋体;">进入</span><span lang="EN-US">PON</span><span style="font-family: 宋体;">节点，然后使用命令</span><span lang="EN-US">show <span> </span>fdbentry
<span> </span>mac</span><span style="font-family: 宋体;">来查看</span><span lang="EN-US">MAC</span><span style="font-family: 宋体;">地址表。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 63.75pt; text-indent: -21pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>4）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">   
</span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">在</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">节点下查看交换芯片上的</span><span lang="EN-US"> MAC</span><span style="font-family: 宋体;">地址表的命令为：</span><span lang="EN-US">atu show<op></op></span></p>

<p class="MsoNormal" style="margin-left: 63.75pt; text-indent: -21pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>5）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">   
</span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">目前还没有查看</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">上</span><span lang="EN-US">PON</span><span style="font-family: 宋体;">芯片的</span><span lang="EN-US">MAC</span><span style="font-family: 宋体;">地址表的命令。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 42.75pt;"><span lang="EN-US"><op> </op></span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">问题</span><span lang="EN-US">8. </span><span style="font-family: 宋体;">从</span><span lang="EN-US">OLT</span><span style="font-family: 宋体;">上</span><span lang="EN-US">ping</span><span style="font-family: 宋体;">不通下联的</span><span lang="EN-US">IAD</span><span style="font-family: 宋体;">设备。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 60.75pt; text-indent: -18pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>1）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">  </span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">查看</span><span lang="EN-US">OLT</span><span style="font-family: 宋体;">和</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">的</span><span lang="EN-US">vlan</span><span style="font-family: 宋体;">配置是否正确，同问题</span><span lang="EN-US">5</span><span style="font-family: 宋体;">。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 60.75pt; text-indent: -18pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>2）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">  </span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">查看</span><span lang="EN-US">OLT</span><span style="font-family: 宋体;">和</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">上的收发包统计是否正确，见问题</span><span lang="EN-US">6</span><span style="font-family: 宋体;">。可以先情况收发包统计，然后从</span><span lang="EN-US">OLT</span><span style="font-family: 宋体;">上</span><span lang="EN-US">ping IAD</span><span style="font-family: 宋体;">设备，或者从</span><span lang="EN-US">IAD</span><span style="font-family: 宋体;">设备</span><span lang="EN-US">ping
OLT</span><span style="font-family: 宋体;">，查看收发包统计是否正确。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 60.75pt; text-indent: -18pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>3）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">  </span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">查看</span><span lang="EN-US">OLT</span><span style="font-family: 宋体;">和</span><span lang="EN-US">ONU</span><span style="font-family: 宋体;">上的</span><span lang="EN-US">MAC</span><span style="font-family: 宋体;">地址表是否正确学习了，见问题</span><span lang="EN-US">7</span><span style="font-family: 宋体;">。</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal"><span lang="EN-US"><op> </op></span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">问题</span><span lang="EN-US">9.<span> 
</span></span><span style="font-family: 宋体;">设备上有哪些环回功能？</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 63.75pt; text-indent: -21pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>1）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">   
</span></span></span><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US">PON</span><span style="font-family: 宋体;">口的环回功能</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal" style="margin-left: 63.75pt; text-indent: -21pt;"><!--Element not supported - Type: 8 Name: #comment--><span lang="EN-US"><span>2）<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">   
</span></span></span><!--Element not supported - Type: 8 Name: #comment--><span style="font-family: 宋体;">以太网口的环回功能</span><span lang="EN-US"><op></op></span></p>

<p class="MsoNormal"><b><span style="font-size: 14pt; font-family: 宋体;"></span></b><b><span lang="EN-US" style="font-size: 14pt;"><op></op></span></b></p>